The time dependence of the normalized fraction of crystallized polymer, X, is typically represented by an Avrami Equation: X = 1 exp (-k tn) Determine values for the Avrami Equation constants n and k for the crystallization of the isotactic polypropylene sample at 160C shown in the curve below.

1.0 -i-PP @ 160 0.9 0.8 0.7 0.6 Normalized Fraction Crystallized 0.5 0.4 0.3 0.2 0.1 0.0 2000 4000 8000 10000 12000 6000 t [s]